Security box



FIG. 1 is a perspective view showing my new security box;

FIG. 2 is a left side view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top side view thereof; and,

FIG. 7 the bottom side view thereof. 

CLAIM The ornamental design for a security box, as shown and described. 